
Secure Networks. Smart Surveillance. Proactive IT Support.
We treat your business like our business. When IT has to work, IT has to be CSI.
Texas-based for 15+ years—keeping offices, retail, healthcare, and commercial sites connected, secure, and operational.
Statewide coverage: SA · Austin · Houston · Corpus · Beyond
24/7 Availability
Retainer or Pay-per-incident
Core capabilities
A single partner for IT services, cabling, security, communications, and recovery—built for reliability and speed.
Managed IT Services
Maintenance, helpdesk, remote/on-site troubleshooting, cybersecurity, antivirus, and data protection.
Networks & Cabling
Cat5e/Cat6/fiber/coax, Wi‑Fi design, rack builds, patch panels, router/switch/firewall config (LAN/WAN/VLAN/VPN).
Low-Voltage Security
CCTV/IP cameras, access control (card, maglock, keypad), building entry control, remote viewing, multi-site monitoring.
Computer Repair & Recovery
Workstation/server diagnostics, RAID/NAS recovery, restorations, preventive maintenance, and backups.
Voice & Communications
VoIP setup, voice/data cabling, troubleshooting, configuration, relocation support.
Consulting & Projects
New construction and buildout design, IT modernization, network migrations, custom software development, turnkey delivery.
Service models that fit
Statewide coverage
Serving San Antonio, Austin, Houston, Corpus Christi, and businesses across Texas.
- 24/7 emergency response for business continuity
- Same-day or scheduled dispatch
- Multi-site coordination and remote support
Flexible agreements
Pick the model that matches your operations.
- Monthly retainers or service contracts
- Pay-per-incident options
- Transparent scope and pricing
Industries we support
Medical, Dental, Healthcare
HIPAA-minded networks, secure access, reliable uptime.
Legal & Professional Offices
Confidentiality-first IT, secure remote access, stable comms.
Construction & Commercial
Site connectivity, cameras, access control, ruggedized installs.
Retail & Multi-location
POS-ready networking, CCTV, centralized monitoring.
Manufacturing & Industrial
Reliable plant networks, surveillance, and access control.
Property & Real Estate
Tenant-ready networks, entry systems, and support.
Why businesses choose CSI
Proven 15+ years
Trusted by Texas businesses for dependable long-term support.
Turnkey partner
One call covers IT, cabling, security, and communications.
Fast, professional
Clear SLAs, rapid response, and accountable project delivery.
Transparent models
Competitive pricing with retainer or per-incident options.
What clients say
“Rapid install and clean cabling. Cameras are clear day and night.”
Retail Manager
“They recovered our server data overnight and hardened our backups.”
Operations Director
“Network redesign made our Wi‑Fi stable across all floors.”
Clinic Owner
Ready for reliable IT & security?
Call or email and we’ll respond right away.
Contact
CSI Techs Inc.
11151 Acuff Station
San Antonio, TX 78254